Overview
- Argentina’s national weather service (SMN) issued orange and yellow alerts for December 15 covering 14 provinces, urging precautions for frequent lightning, possible hail and intense short-duration rainfall.
- Orange-level areas including Santiago del Estero, Tucumán and parts of Chaco, Corrientes, Santa Fe, Córdoba, La Rioja and Catamarca are forecast 80–110 mm of rain with wind gusts up to about 90 km/h.
- Yellow storm alerts span Misiones, Salta, eastern Jujuy, eastern Formosa and central belts of Corrientes, Santa Fe and Córdoba, with 30–70 mm of rain and gusts up to roughly 70 km/h.
- The SMN also posted a yellow wind alert for the east coast of Santa Cruz, warning of westerly winds at 50–70 km/h with gusts that could exceed 100 km/h.
- City-specific notices included CABA and Corrientes with validity windows from 09:00 to 02:59, while Spain’s AEMET projected very humid conditions with rain and thunderstorms across multiple Galician municipalities through December 16.